LML P125A etc harness rub thru

[ikeG]

Chased a p125a on a LML today and ended up finding the jumper harness was rubbed thru on the ac lines that come out of compressor. There are 12 circuits that run thru this harness so depending on which wires rub thru it could lead to dozens of different codes. I'll attach the pin out diag for the harness tomorrow. I think there is a tsb out for this issue but I wasn't able to locate it.

 

[ikeG]

Pics

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[IOWA LLY]

Good info. Thanks for sharing.


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[TheBac]

Moved over into LML section. That TSB area is a dead end nowadays.

Thanks for the heads-up, Issac.

 

[ikeG]

https://gm.oemdtc.com/4212/gauge-fl...2013-chevrolet-silverado-gmc-sierra#more-4212

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[ikeG]

Here's the pin diagram with the 12 circuits listed.

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[clrussell]

I've seen this twice now.

Same area. One was a no start fpr circuit. One was an oil pressure gauge issue

 

[Columbus450]

Yes very good info thanks for posting


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[Ron Nielson]

https://gm.oemdtc.com/4212/gauge-fl...2013-chevrolet-silverado-gmc-sierra#more-4212

Great resource for lots of auto repair help! Lots of different manufacturers.